Home / 200,623,715.90-300,935,573.85-170,012,714.30

Finding the Fourth Proportional to 200,623,715.90, 300,935,573.85 and 170,012,714.30

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Solution

The fourth proportional to 200,623,715.90, 300,935,573.85 and 170,012,714.30 is: 255,019,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623,715.90 : 300,935,573.85 = 170,012,714.30 : x
  2. Step 2: Convert to fraction form
    200,623,715.90/300,935,573.85 = 170,012,714.30/x
  3. Step 3: Cross multiply
    200,623,715.90x = 300,935,573.85 × 170,012,714.30
  4. Step 4: Simplify right side
    200,623,715.90x = 51,162,873,739,666,608
  5. Step 5: Solve for x
    x = 51,162,873,739,666,608/200,623,715.90
  6. Step 6: Final answer
    x = 255,019,071.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.